Triple

T8872418
Position Surface form Disambiguated ID Type / Status
Subject Russell Senate Office Building E211191 entity
Predicate connectedBy P37 FINISHED
Object Senate Subway System
The Senate Subway System is an underground rail network in the U.S. Capitol complex that transports senators and staff between the Capitol and nearby Senate office buildings.
 E764695 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Senate Subway System | Statement: [Russell Senate Office Building, connectedBy, Senate Subway System]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Senate Subway System
Context triple: [Russell Senate Office Building, connectedBy, Senate Subway System]
  • A. New York City Subway
    The New York City Subway is one of the world’s largest and busiest rapid transit systems, serving the five boroughs of New York City with extensive 24/7 underground and elevated rail service.
  • B. Philadelphia subway system
    The Philadelphia subway system is the rapid transit network serving Philadelphia, Pennsylvania, primarily operated by SEPTA and consisting of multiple underground and elevated lines that connect the city and surrounding areas.
  • C. Brooklyn–Manhattan Transit Corporation subway network
    The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
  • D. Union subway station
    Union subway station is a major Toronto Transit Commission (TTC) rapid transit station in downtown Toronto that serves as a key interchange between subway lines and regional rail services.
  • E. Airport Metro
    Airport Metro is a key Chennai Metro station serving Chennai International Airport and connecting air travelers to the city’s rapid transit network.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Senate Subway System
Triple: [Russell Senate Office Building, connectedBy, Senate Subway System]
Generated description
The Senate Subway System is an underground rail network in the U.S. Capitol complex that transports senators and staff between the Capitol and nearby Senate office buildings.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Senate Subway System
Target entity description: The Senate Subway System is an underground rail network in the U.S. Capitol complex that transports senators and staff between the Capitol and nearby Senate office buildings.
  • A. New York City Subway
    The New York City Subway is one of the world’s largest and busiest rapid transit systems, serving the five boroughs of New York City with extensive 24/7 underground and elevated rail service.
  • B. Philadelphia subway system
    The Philadelphia subway system is the rapid transit network serving Philadelphia, Pennsylvania, primarily operated by SEPTA and consisting of multiple underground and elevated lines that connect the city and surrounding areas.
  • C. Brooklyn–Manhattan Transit Corporation subway network
    The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
  • D. Union subway station
    Union subway station is a major Toronto Transit Commission (TTC) rapid transit station in downtown Toronto that serves as a key interchange between subway lines and regional rail services.
  • E. Airport Metro
    Airport Metro is a key Chennai Metro station serving Chennai International Airport and connecting air travelers to the city’s rapid transit network.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ca838e78748190934d82db3104f855 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc61281e888190a32b08980310979f completed April 1, 2026, 12:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfab9e87cc8190ae3c8c683aa0921e completed April 3, 2026, 11:59 a.m.
NEDg Description generation batch_69cfad35141081908033585378bf0a25 completed April 3, 2026, 12:06 p.m.
NED2 Entity disambiguation (via description) batch_69cfadb323988190960dd933f752c456 completed April 3, 2026, 12:08 p.m.
Created at: March 30, 2026, 6:52 p.m.